[libvirt] only 256 active networks

[Dan Kenigsberg]

On Sat, Sep 29, 2012 at 11:29:45PM -0400, Laine Stump wrote:
> On 09/29/2012 04:22 PM, Dan Kenigsberg wrote:
> > Hi List, Laine,
> >
> > Maybe you can help here.
> >
> > We define 256 bridged networks such as
> >
> >     <network>
> >       <name>vdsm-test244</name>
> >       <uuid>c3acd4c3-37be-3f9d-ee6b-317513015f9e</uuid>
> >       <forward mode='bridge'/>
> >       <bridge name='test244' />
> >     </network>
> >
> > and end up killing `virsh net-list` with
> >
> >     error: Failed to list active networks
> >     error: too many remote undefineds: 257 > 256
> >     error: Reconnected to the hypervisor
> >
> > What is this limitation? Why is it there? How can this be extended/avoided?
> 
> What version of libvirt are you running? This is a limit set by the RPC
> code, and it was increased from 256 to 16384 in commit
> eb635de1fed3257c5c62b552d1ec981c9545c1d7, which looks like it would be
> in any libvirt *after* 0.9.12 (so any 0.10.x will have the increase).

It was libvirt-0.9.10, sorry for not stating this in the original post
(I hate it when people do this to me...)

Regards,
Dan.